/* ================================================
   MANYETAM TÜBİTAK PROJELERİ — Style
   Fonts: Manrope (display) + DM Sans (body)
   ================================================ */

:root {
  --blue:       #1a56db;
  --blue-dark:  #1240aa;
  --blue-soft:  #e8f0fe;
  --navy:       #0d1f3c;
  --text:       #1e293b;
  --muted:      #64748b;
  --border:     #e2e8f0;
  --bg:         #f5f7fa;
  --white:      #ffffff;

  /* category colors */
  --cat-blue:   #2563eb;
  --cat-green:  #16a34a;
  --cat-amber:  #d97706;
  --cat-purple: #7c3aed;
  --cat-red:    #dc2626;

  --r: 12px;
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.main-wrap { padding-top: 20px; }

/* ── Filter Panel (glassmorphism) ── */
.filter-panel {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226,232,240,.6);
  border-radius: var(--r);
  padding: 14px 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}

.filter-grid {
  display: grid;
  grid-template-columns: 2fr .85fr .85fr auto;
  gap: 10px;
  align-items: end;
}

.search-wrap { position: relative; }
.search-ico {
  position: absolute; left: 13px; top: 50%;
  transform: translateY(-50%);
  width: 17px; height: 17px;
  pointer-events: none;
}

.f-input, .f-select {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .92rem;
  font-weight: 500;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  padding: 10px 12px;
  appearance: none;
  -webkit-appearance: none;
}
.f-input--search { padding-left: 38px; }
.f-input::placeholder { color: #94a3b8; }
.f-input:focus, .f-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.f-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2394a3b8' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 30px;
}

.f-field { display: flex; flex-direction: column; gap: 5px; }
.f-label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .18s, transform .15s;
  white-space: nowrap;
  height: 42px;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* ── Stats Bar ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 14px 0;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.stats-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--muted);
  flex-wrap: wrap;
}
.stats-left strong { color: var(--navy); font-weight: 800; }
.stats-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%     { opacity:.5; transform:scale(.7); }
}
.stats-pipe { color: var(--border); }
.stats-right { display: flex; align-items: center; gap: 6px; }

.exp-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .18s;
}
.exp-btn:hover { border-color: #94a3b8; color: var(--text); background: var(--bg); }
.exp-btn--clear:hover { color: #dc2626; border-color: #fca5a5; background: #fff5f5; }

/* ── Project List ── */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Category Section ── */
.cat-section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.cat-section.revealed {
  opacity: 1;
  transform: translateY(0);
}

.cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
  position: relative;
  overflow: hidden;
  user-select: none;
}
.cat-header::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--cat-color, var(--border));
  border-radius: var(--r) 0 0 var(--r);
}
.cat-header:hover {
  border-color: #c7d9f9;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  transform: translateY(-1px);
}
.cat-header.open {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
}

.cat-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: 'Manrope', 'DM Sans', system-ui, sans-serif;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .03em;
  color: #fff;
  background: var(--cat-color, var(--muted));
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  flex-shrink: 0;
}

.cat-title {
  font-family: 'Manrope', 'DM Sans', system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--navy);
  flex: 1 1 auto;
}

.cat-hint {
  display: none;
  color: var(--muted);
  font-size: .86rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}
@media (min-width: 768px) {
  .cat-hint { display: block; }
}

.cat-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  font-family: 'Manrope', 'DM Sans', system-ui, sans-serif;
  font-size: .82rem;
  font-weight: 800;
  color: var(--navy);
  flex-shrink: 0;
}

.cat-arrow {
  width: 20px; height: 20px;
  transition: transform .3s ease;
  flex-shrink: 0;
  color: var(--muted);
}
.cat-header.open .cat-arrow {
  transform: rotate(180deg);
}

/* ── Category Body (accordion) ── */
.cat-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--r) var(--r);
  margin-top: -1px;
}
.cat-body.open {
  max-height: none;
}
.cat-body-inner {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── Project Card ── */
.proj-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  position: relative;
}
.proj-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--cat-color, var(--border));
  border-radius: var(--r) 0 0 var(--r);
}
.proj-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.09);
  border-color: #c7d9f9;
}

.proj-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px 10px 20px;
  cursor: pointer;
  user-select: none;
}

.proj-title-area {
  flex: 1 1 auto;
  min-width: 0;
}

.proj-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.45;
  margin-bottom: 4px;
}
.proj-title mark {
  background: #fef9c3;
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
  font-weight: 700;
}

.proj-meta {
  font-size: .88rem;
  color: var(--muted);
  font-weight: 500;
  line-height: 1.5;
}
.proj-meta strong {
  font-weight: 600;
  color: #475569;
}

.proj-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding-top: 2px;
}

/* status chip */
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: 'DM Sans', sans-serif;
  font-size: .78rem;
  font-weight: 800;
  white-space: nowrap;
  border: 1px solid;
}
.status-chip::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-chip--done {
  background: rgba(16,185,129,.1);
  color: #059669;
  border-color: rgba(16,185,129,.3);
}
.status-chip--done::before { background: #10b981; }
.status-chip--ongoing {
  background: rgba(217,119,6,.1);
  color: #b45309;
  border-color: rgba(217,119,6,.3);
}
.status-chip--ongoing::before {
  background: #d97706;
  animation: chipPulse 1.8s ease-in-out infinite;
}
@keyframes chipPulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%     { opacity:.4; transform:scale(.6); }
}

.proj-expand-arrow {
  width: 18px; height: 18px;
  color: var(--muted);
  transition: transform .25s ease;
  flex-shrink: 0;
}
.proj-header.open .proj-expand-arrow {
  transform: rotate(180deg);
}

/* ── Project Detail Body ── */
.proj-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.proj-body.open {
  max-height: none;
}
.proj-body-inner {
  padding: 0 16px 14px 20px;
  border-top: 1px solid var(--border);
  margin-top: 0;
  padding-top: 12px;
}

/* ── Detail Cards Grid ── */
.detail-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
}

.detail-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.detail-card:hover {
  border-color: #c7d9f9;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}

.detail-heading {
  font-family: 'Manrope', 'DM Sans', system-ui, sans-serif;
  font-size: .76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--blue);
  margin-bottom: 6px;
}

.detail-text {
  font-size: .92rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}
.detail-text ul {
  margin: 0;
  padding-left: 1.1rem;
  list-style: disc;
}
.detail-text ul li {
  margin-bottom: 2px;
}

/* ── State boxes ── */
.state-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 48px 24px;
  text-align: center;
}
.state-ico { margin-bottom: 12px; }
.state-box h3 {
  font-family: 'Manrope', 'DM Sans', system-ui, sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.state-box p { color: var(--muted); font-size: .9rem; }
.state-box code {
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .85rem;
}

/* ── Footer ── */
.site-foot {
  margin: 16px 0 32px;
  color: var(--muted);
  font-size: .85rem;
}
.foot-rule {
  height: 1px;
  margin-bottom: 12px;
  background: var(--border);
}

/* ── Toast ── */
.toast {
  position: fixed;
  left: 50%; bottom: 20px;
  transform: translateX(-50%) translateY(6px);
  background: var(--navy);
  color: white;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  box-shadow: 0 8px 28px rgba(0,0,0,.2);
  z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .btn-primary { grid-column: 1/-1; }
  .search-wrap { grid-column: 1/-1; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 20px); }
  .filter-grid { grid-template-columns: 1fr; }
  .btn-primary { width: 100%; justify-content: center; }
  .stats-bar { flex-direction: column; align-items: flex-start; }
  .cat-header { flex-wrap: wrap; gap: 8px; }
  .cat-badge { font-size: .76rem; min-width: 52px; padding: 4px 10px; }
  .cat-title { font-size: .95rem; }
  .proj-header { flex-wrap: wrap; }
  .proj-right { width: 100%; justify-content: flex-start; margin-top: 4px; }
  .proj-title { font-size: .94rem; }
}